186274042 has 8 divisors (see below), whose sum is σ = 279473076. Its totient is φ = 93116352.

The previous prime is 186274031. The next prime is 186274051. The reversal of 186274042 is 240472681.

It is a happy number.

186274042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 135280161 + 50993881 = 11631^2 + 7141^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 186273989 and 186274007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6258 + ... + 20290.

Almost surely, 2^186274042 is an apocalyptic number.

186274042 is a deficient number, since it is larger than the sum of its proper divisors (93199034).

186274042 is a wasteful number, since it uses less digits than its factorization.

186274042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20672.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 186274042 is about 13648.2248662601. The cubic root of 186274042 is about 571.1069511754.

The spelling of 186274042 in words is "one hundred eighty-six million, two hundred seventy-four thousand, forty-two".